The equation of the circle with center is $\"\"$

The center $\"\"$ is radius then,

The equation of the circle in standard form: $\"\"$

The center $\"\"$ and the point on the circle $\"\"$

Substitute $\"\"$ in the circle equation

$\"\"$

Find r.

Substitute the point $\"\"$

$\"\"$ \ \

The equation of the circle in standard form is

$\"\"$